PHL - IDA
$336 Find Cheap Flights from Philadelphia to Idaho Falls - Compare and Save
This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Philadelphia to Idaho Falls departing on 10/18. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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Everything you should know
Cheapest round-trip
$379
Typical prices: $474-$679
American Airlines
Mon 2/5Fri 2/9
PHL - IDA • 1 stop
Cheapest one-way
$336
Typical prices: $275-$392
United Airlines
Thu 10/18
PHL - IDA • 1 stop
Flight Deals
Cheap Flights from Philadelphia to Idaho Falls (PHL-IDA)
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Philadelphia to Idaho Falls that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.
Recent round-trip flight deals from Philadelphia to Idaho Falls
Fri, Feb 5 - Tue, Feb 9
12:34 pm - 9:49 pmPHL Philadelphia-IDA Idaho Falls Fanning Field
11h 15m1 stop Dallas/Fort Worth
1:42 pm - 10:37 pmIDA Idaho Falls Fanning Field-PHL Philadelphia
6h 55m1 stop Dallas/Fort Worth
$379American Airlines
Fri, Oct 30 - Mon, Nov 2
10:00 am - 3:38 pmPHL Philadelphia-IDA Idaho Falls Fanning Field
7h 38m1 stop Denver Intl
2:35 pm - 11:39 pmIDA Idaho Falls Fanning Field-PHL Philadelphia
7h 04m1 stop Denver Intl
$379United Airlines
Fri, Feb 5 - Tue, Feb 9
1:00 pm - 10:19 pmPHL Philadelphia-IDA Idaho Falls Fanning Field
11h 19m2 stops Detroit Metropolitan Wayne County Salt Lake City
1:10 pm - 11:41 pmIDA Idaho Falls Fanning Field-PHL Philadelphia
8h 31m1 stop Salt Lake City
$384Delta
Fri, Feb 5 - Tue, Feb 9
1:00 pm - 10:19 pmPHL Philadelphia-IDA Idaho Falls Fanning Field
11h 19m2 stops Detroit Metropolitan Wayne County Salt Lake City
6:00 am - 6:15 pmIDA Idaho Falls Fanning Field-PHL Philadelphia
10h 15m2 stops Salt Lake City Minneapolis St Paul
$389Delta
Fri, Oct 30 - Mon, Nov 2
6:15 am - 3:38 pmPHL Philadelphia-IDA Idaho Falls Fanning Field
11h 23m2 stops Chicago O'Hare Intl Denver Intl
2:35 pm - 11:39 pmIDA Idaho Falls Fanning Field-PHL Philadelphia
7h 04m1 stop Denver Intl
$411United Airlines
Fri, Jan 22 - Sun, Jan 24
9:55 am - 9:10 pmPHL Philadelphia-IDA Idaho Falls Fanning Field
13h 15m2 stops Chicago O'Hare Intl Denver Intl
2:30 pm - 11:37 pmIDA Idaho Falls Fanning Field-PHL Philadelphia
7h 07m1 stop Denver Intl
$464United Airlines
Fri, Jan 22 - Sun, Jan 24
3:33 pm - 9:49 pmPHL Philadelphia-IDA Idaho Falls Fanning Field
8h 16m1 stop Dallas/Fort Worth
6:18 am - 4:12 pmIDA Idaho Falls Fanning Field-PHL Philadelphia
7h 54m1 stop Phoenix Sky Harbor Intl
$470American Airlines
Thu, Nov 5 - Sun, Nov 8
3:14 pm - 9:43 pmPHL Philadelphia-IDA Idaho Falls Fanning Field
8h 29m1 stop Dallas/Fort Worth
1:35 pm - 12:17 amIDA Idaho Falls Fanning Field-PHL Philadelphia
8h 42m1 stop Dallas/Fort Worth
$494American Airlines
Thu, Nov 5 - Sun, Nov 8
7:02 am - 1:16 pmPHL Philadelphia-IDA Idaho Falls Fanning Field
32h 14m2 stops Seattle/Tacoma Intl Portland
3:55 pm - 5:32 amIDA Idaho Falls Fanning Field-PHL Philadelphia
35h 37m2 stops Portland Seattle/Tacoma Intl
$811Alaska Airlines
Thu, Nov 5 - Sun, Nov 8
5:49 pm - 1:16 pmPHL Philadelphia-IDA Idaho Falls Fanning Field
21h 27m2 stops Seattle/Tacoma Intl Portland
3:55 pm - 5:32 amIDA Idaho Falls Fanning Field-PHL Philadelphia
35h 37m2 stops Portland Seattle/Tacoma Intl
$811Alaska Airlines
Recent one-way flight deals from Philadelphia to Idaho Falls
Sun, Oct 18
8:00 am - 1:24 pmPHL Philadelphia-IDA Idaho Falls Fanning Field
7h 24m1 stop Denver Intl
$336United Airlines
Sun, Oct 18
5:50 am - 5:40 pmPHL Philadelphia-IDA Idaho Falls Fanning Field
37h 50m2 stops Denver Intl Phoenix Sky Harbor Intl
$361Multiple Airlines
Sun, Oct 18
6:00 am - 5:40 pmPHL Philadelphia-IDA Idaho Falls Fanning Field
37h 40m3 stops Dallas/Fort Worth Denver Intl Phoenix Sky Harbor Intl
$423Multiple Airlines
Recent last minute flight deals from Philadelphia to Idaho Falls
Fri, Oct 9 - Sun, Oct 11
12:52 pm - 9:42 pmPHL Philadelphia-IDA Idaho Falls Fanning Field
10h 50m1 stop Dallas/Fort Worth
6:37 am - 5:47 pmIDA Idaho Falls Fanning Field-PHL Philadelphia
9h 10m1 stop Dallas/Fort Worth
$636American Airlines
Wed, Oct 7 - Fri, Oct 9
3:07 pm - 9:42 pmPHL Philadelphia-IDA Idaho Falls Fanning Field
8h 35m1 stop Dallas/Fort Worth
1:39 pm - 12:25 amIDA Idaho Falls Fanning Field-PHL Philadelphia
8h 46m1 stop Dallas/Fort Worth
$834American Airlines
Wed, Oct 7 - Fri, Oct 9
10:30 am - 9:42 pmPHL Philadelphia-IDA Idaho Falls Fanning Field
13h 12m2 stops Charlotte Douglas Dallas/Fort Worth
1:39 pm - 12:25 amIDA Idaho Falls Fanning Field-PHL Philadelphia
8h 46m1 stop Dallas/Fort Worth
$963American Airlines
Fri, Oct 9 - Sun, Oct 11
12:05 pm - 9:42 pmPHL Philadelphia-IDA Idaho Falls Fanning Field
11h 37m2 stops Charlotte Douglas Dallas/Fort Worth
6:37 am - 5:47 pmIDA Idaho Falls Fanning Field-PHL Philadelphia
9h 10m1 stop Dallas/Fort Worth
$965American Airlines
Fri, Oct 9 - Sun, Oct 11
12:05 pm - 9:42 pmPHL Philadelphia-IDA Idaho Falls Fanning Field
11h 37m2 stops Charlotte Douglas Dallas/Fort Worth
6:37 am - 8:18 pmIDA Idaho Falls Fanning Field-PHL Philadelphia
11h 41m2 stops Dallas/Fort Worth Kansas City
$1,251American Airlines
Wed, Oct 7 - Fri, Oct 9
4:17 pm - 3:20 pmPHL Philadelphia-IDA Idaho Falls Fanning Field
25h 03m2 stops Portland Seattle/Tacoma Intl
3:57 pm - 5:38 pmIDA Idaho Falls Fanning Field-PHL Philadelphia
23h 41m2 stops Portland Seattle/Tacoma Intl
$1,396Alaska Airlines
Booking Insights
Price, demand and travel trends for Philadelphia to Idaho Falls flights
Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.
Prices
Airlines
Layovers
How much is a round-trip flight from Philadelphia to Idaho Falls?
This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Philadelphia to Idaho Falls departing in february.What's the cheapest day of the week to fly from Philadelphia to Idaho Falls?
Based on deals KAYAK users found in the last 12 months, Friday is the cheapest day of the week to fly from Philadelphia to Idaho Falls. It’s 8% cheaper than the average day, while Sunday is the most expensive, with prices 32% higher.
What’s the cheapest month to fly from Philadelphia to Idaho Falls?
KAYAK internal proprietary data takes all prices for each month over the last 12 months for round-trip flights from Philadelphia to Idaho Falls, removes the top 0.1% to account for outliers and then takes the median of all values for each month.•December is the cheapest month to fly from Philadelphia to Idaho Falls at $468 round-trip.
•October ($715) and July ($675) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 52% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.
Round-trip flights from Philadelphia to Idaho Falls typically range from $474 to $679. The lowest price found in the past 5 days was $379, on American Airlines.
What’s the most popular layover airport when flying from Philadelphia to Idaho Falls?
KAYAK data for 1-stop round-trips over the past 3 months. Only counts itineraries with the same layover on both legs.Denver Intl (DEN) is the most popular layover for the Philadelphia to Idaho Falls route. 40% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via DEN.
What is the cheapest layover airport when flying from Philadelphia to Idaho Falls?
Flights via Seattle/Tacoma Intl (SEA) offer the most affordable fares, with an average round-trip price of $503. Based on KAYAK data over the past 3 months.
Key details for Philadelphia to Idaho Falls flights
Low season | January |
|---|---|
High season | August |
Cheapest flight | $336 |
When to book flights from Philadelphia to Idaho Falls
Are your dates flexible? Find out the best times to travel from Philadelphia to Idaho Falls based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.
Your Philadelphia to Idaho Falls flight questions, answered
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Your guide to booking Philadelphia to Idaho Falls flights
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Information on your arrival and departure airports
Cabin class types available on flights from Philadelphia to Idaho Falls
Cabin classes available on flights from Philadelphia to Idaho Falls. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
Find direct flights to and from Philadelphia and Idaho Falls
Flights from domestic origins to Idaho Falls
More flights to Idaho Falls. Prices are the lowest found on KAYAK in the last 7 days. Price and availability is not guaranteed.
Flights to other popular destinations
The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.